CN212337683U - Induced pushing fan - Google Patents
Induced pushing fan Download PDFInfo
- Publication number
- CN212337683U CN212337683U CN202020946678.XU CN202020946678U CN212337683U CN 212337683 U CN212337683 U CN 212337683U CN 202020946678 U CN202020946678 U CN 202020946678U CN 212337683 U CN212337683 U CN 212337683U
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- air outlet
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- duckbilled
- shell
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- 238000005192 partition Methods 0.000 claims abstract description 21
- 230000030279 gene silencing Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004887 air purification Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract 3
- 241000405070 Percophidae Species 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Abstract
The utility model discloses an induced thrust fan, which comprises a housing, tilting duckbilled exhaust pipe and power component, wherein, the housing separates the inside into air inlet cavity and air exhaust cavity through a partition plate with a through hole, the air inlet cavity and the air exhaust cavity are communicated through the through hole on the partition plate, the tilting duckbilled exhaust pipe is a hollow pipeline structure, the pore diameters of openings at two ends are different, one end with small pore diameter is used as an air outlet, one end with large pore diameter is used as an air inlet and is connected with an air outlet, the power component is arranged in the air exhaust cavity, an inlet is connected with the through hole on the partition plate, an outlet is connected with an air outlet, the power component comprises an impeller, an EC motor and a volute type draft tube, the impeller is connected on an output shaft of the EC motor and is installed; through the matching of the spiral shell type guide cylinder and the slope type steady flow cavity structure in the inclined duckbilled air outlet pipe, the high-speed airflow injected at the air outlet tends to be in a stable state, no turbulent flow exists, and the air speed is uniform.
Description
Technical Field
The utility model relates to a fan especially relates to an induced fan that jets.
Background
The main application theory of the induced thrust fan is from the characteristic of high-speed jet flow in aerodynamics, and the jetted high-speed airflow with high kinetic energy is used for inducing and stirring a large amount of surrounding air and bringing the air to a specific target direction.
The central speed of the jet flow is gradually reduced from the outlet point of the nozzle, but the width of the jet flow is gradually increased, and the induced air around the jet flow is also gradually increased, so that on one hand, indoor harmful gas is diluted, on the other hand, indoor air is driven to flow, the harmful gas is intensively and quickly moved to the exhaust fan along the preset air flow channel and is exhausted by the exhaust fan, and therefore, a good ventilation effect is achieved in large indoor occasions; at present, the method is mainly used for large-scale places such as subway vehicle sections, underground parking lots, underground supermarkets, warehouses, industrial plants, stadiums and the like, and large-area induced ventilation with local pollution.
For the air outlet structure, chinese patent "CN 110486882A" discloses an active carbon exhaust fan, which adopts a straight-tube exhaust pipe; chinese patent
"CN 204429009U" discloses an exhaust fan capable of purifying toxic gas, which employs a gradually reduced exhaust pipe; chinese patent "CN 206448991U" discloses an exhaust fan with a purification device, which adopts an air outlet tower; and in actual working process, the air-out structure of above-mentioned current fan does exist: the air outlet has turbulent flow and uneven wind speed, so that a novel device capable of solving the technical problems is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome the problem mentioned in the above-mentioned background content, provide one kind and penetrated fast, and the air outlet does not have turbulent flow, the even induced fan that pushes away of wind speed.
In order to achieve the above object, the utility model provides a following scheme:
an induced thrust fan comprises a shell, an inclined duckbilled air outlet pipe and a power assembly, wherein the shell is internally divided into two chambers by a partition plate with a through hole, the outer wall of the shell is the wall of the two chambers, one chamber is provided with an air inlet as an air inlet chamber, the other chamber is provided with an air outlet as an air outlet chamber, and the air inlet chamber and the air outlet chamber are communicated through the through hole on the partition plate; the inclined duckbilled air outlet pipe is of a hollow pipeline structure, the two ends of the inclined duckbilled air outlet pipe are provided with openings with different apertures, the end with the small aperture is used as an air outlet, the pipe wall is designed into a duckbilled structure, the end with the large aperture is used as an air inlet and is connected with an air outlet, and the axis of the air outlet and the axis of the air inlet are not on the same straight line; the power assembly is arranged in the exhaust cavity, an inlet is connected with the through hole in the partition plate, an outlet is connected with the exhaust outlet, the power assembly comprises an impeller, an EC motor and a volute type draft tube, and the impeller is connected to an output shaft of the EC motor and is arranged inside the volute type draft tube.
Preferably, an adjustable louver is arranged at the air outlet of the inclined duckbilled air outlet pipe.
Preferably, an air purification module and a protective net are arranged at the air inlet of the air inlet chamber.
Preferably, the outer wall of the shell and the pipe wall of the inclined duckbill air outlet pipe are provided with noise elimination layers.
Preferably, a current collector is arranged between the inlet of the power assembly and the through hole on the partition plate.
Preferably, the upper part and the lower part of the volute type guide shell are respectively fixed on the outer wall of the shell and the partition plate through rivets.
Preferably, the EC motor penetrates through an upper outer wall of the housing, a cover plate is fixed to the upper outer wall of the housing, and the EC motor is fixed to the cover plate.
Preferably, in the exhaust chamber, be connected with the bracing piece between the last outer wall of baffle and casing, the bracing piece both ends are all fixed on the last outer wall of baffle and casing through the rivet.
The utility model discloses for prior art gain following technological effect:
(1) the air outlet structure adopts an inclined duckbilled air outlet pipe structure, the jet speed can be obviously improved, the air outlet has a certain inclination angle, the air outlet is favorable for pushing air flow along the central section of the nozzle and the following direction, and the man-machine station operation area can be effectively covered.
(2) A volute type guide cylinder is arranged in the shell, and the volute type guide cylinder is matched with a slope type steady flow cavity structure in the inclined duckbilled air outlet pipe, so that high-speed airflow sprayed from the air outlet tends to be in a stable state, turbulence is avoided, and the air speed is uniform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a front view of the overall structure of the device of the present invention;
FIG. 2 is a top view of the overall structure of the device of the present invention;
FIG. 3 is a side view of the overall structure of the device of the present invention;
FIG. 4 is a top view of the volute type draft tube structure of the present invention;
wherein, 1-shell; 11-a shell sound-damping layer; 12-a separator; 13-a support bar; 2-an air purification module; 21-a protective net; 22-an air purifier; 3-inclined duckbilled air outlet pipe; 31-a slope type steady flow cavity; 32-air outlet pipe silencing layer; 33-adjustable louvers; 4-a power assembly; 41-EC motor; 42-an impeller; 43-a current collector; 44-a cover plate; 45-volute type draft tube;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an induced fan that penetrates that pushes away to solve the problem that prior art exists, improve and penetrate the speed, the wind speed is even, eliminates the air outlet and does not have the turbulent flow.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in fig. 1-4, the embodiment provides an induced thrust fan, which includes a housing 1, an inclined duckbilled air outlet pipe 3 and a power assembly 4, wherein the housing 1 is divided into two chambers by a partition plate 12 with a through hole, the outer wall of the housing 1 is the wall of the two chambers, an air inlet is formed in one chamber and serves as an air inlet chamber, an air outlet is formed in the other chamber and serves as an air outlet chamber, and the air inlet chamber and the air outlet chamber are communicated through the through hole in the partition plate 12;
the inclined duckbilled air outlet pipe 3 is of a hollow pipeline structure, the two ends of the inclined duckbilled air outlet pipe are provided with different opening holes, the end with the small hole diameter is used as an air outlet, the pipe wall is designed into a duckbilled structure, the end with the large hole diameter is used as an air inlet and is connected with an air outlet of the air exhaust cavity, the axis of the air outlet and the axis of the air inlet are not in the same straight line, and the inclined duckbilled air outlet pipe is a slope type;
the power assembly 4 is arranged in the exhaust cavity, an inlet is connected with the through hole on the partition plate, an outlet is connected with an exhaust outlet of the exhaust cavity, the power assembly 4 comprises an impeller 42, an EC motor 41 and a volute type guide cylinder 15, the impeller 42 is connected to an output shaft of the EC motor 41 and is installed inside the volute type guide cylinder 45.
During operation, EC motor 41 drives impeller 42 to rotate in spiral case type draft tube 45, and the air is inhaled by the air intake of air inlet cavity earlier, gets into spiral case type draft tube 45 from the import of power component 4 after getting into the air inlet cavity, later arranges to the tilting duckbill tuber pipe 3 in the air exit of the cavity of airing exhaust from the export of power component 4, and the slope type steady flow cavity 31 through tilting duckbill tuber pipe 3 is got rid of through the air outlet at last.
Furthermore, an adjustable louver 31 can be arranged at the air outlet of the inclined duckbilled air outlet pipe 2, and the functions of adjusting any air outlet direction and swinging air can be realized within the range of the swinging angle by lifting and adjusting the swinging of the blades.
Further, an air purifier 22 and a protective screen 21 are arranged at an air inlet of the air inlet chamber and used for filtering air, wherein the model of the air purifier 22 is ZH-JZ-150.
Furthermore, a casing silencing layer 11 and an air outlet pipe silencing layer 32 are respectively arranged on the outer wall of the casing 1 and the pipe wall of the inclined duckbill air outlet pipe 3.
Further, a current collector 43 is disposed between the inlet of the power assembly 4 and the through hole of the partition plate 12.
Further, the upper part and the lower part of the volute type draft tube 45 are respectively fixed on the outer wall of the shell 1 and the partition plate 12 through rivets.
Further, the EC motor 41 penetrates through the upper outer wall of the housing 1, a cover plate 44 is fixed on the upper outer wall of the housing 1, and the EC fan 41 is fixed on the cover plate 44.
Furthermore, in the exhaust chamber, a support rod 13 is connected between the partition board 2 and the upper outer wall of the shell 1, and two ends of the support rod 13 are fixed on the upper outer walls of the partition board 2 and the shell 1 through rivets, so as to enhance the bearing capacity of the partition board 2.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Should be understood as limitations of the present invention.
Claims (8)
1. The utility model provides an induced propulsion fan which characterized in that: the device comprises a shell, an inclined duckbilled air outlet pipe and a power assembly, wherein the shell divides the interior into two chambers through a partition plate with a through hole, the outer wall of the shell is the wall of the two chambers, one chamber is provided with an air inlet as an air inlet chamber, the other chamber is provided with an air outlet as an air outlet chamber, and the air inlet chamber and the air outlet chamber are communicated through the through hole on the partition plate; the inclined duckbilled air outlet pipe is of a hollow pipeline structure, the two ends of the inclined duckbilled air outlet pipe are provided with openings with different apertures, the end with the small aperture is used as an air outlet, the pipe wall is designed into a duckbilled structure, the end with the large aperture is used as an air inlet and is connected with the air outlet, and the axis of the air outlet and the axis of the air inlet are not on the same straight line; the power assembly is arranged in the exhaust cavity, an inlet is connected with the through hole in the partition plate, an outlet is connected with the exhaust outlet, the power assembly comprises an impeller, an EC motor and a volute type guide cylinder, and the impeller is connected to an output shaft of the EC motor and mounted inside the volute type guide cylinder.
2. The induced thrust fan of claim 1, wherein: the air outlet is provided with an adjustable louver.
3. The induced thrust fan of claim 1, wherein: and an air purification module and a protective net are arranged at the air inlet.
4. The induced thrust fan of claim 1, wherein: and the outer wall of the shell and the pipe wall of the inclined duckbilled air outlet pipe are provided with silencing layers.
5. The induced thrust fan of claim 1, wherein: and a current collector is arranged between the inlet of the power assembly and the through hole on the partition plate.
6. The induced thrust fan of claim 1, wherein: the upper part and the lower part of the volute type guide shell are respectively fixed on the outer wall of the shell and the partition plate through rivets.
7. The induced thrust fan of claim 1, wherein: the EC motor penetrates through the upper outer wall of the shell, a cover plate is fixed on the upper outer wall of the shell, and the EC motor is fixed on the cover plate.
8. The induced thrust fan of claim 1, wherein: in the exhaust chamber, be connected with the bracing piece between the baffle with the last outer wall of casing, the bracing piece both ends are all through rivet fixation the baffle with on the last outer wall of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946678.XU CN212337683U (en) | 2020-05-29 | 2020-05-29 | Induced pushing fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946678.XU CN212337683U (en) | 2020-05-29 | 2020-05-29 | Induced pushing fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212337683U true CN212337683U (en) | 2021-01-12 |
Family
ID=74074967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020946678.XU Active CN212337683U (en) | 2020-05-29 | 2020-05-29 | Induced pushing fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212337683U (en) |
-
2020
- 2020-05-29 CN CN202020946678.XU patent/CN212337683U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 16 Kunlun Road, Shangpu Industrial Zone, Shaoxing City, Zhejiang Province, China 312300 Patentee after: Zhejiang Shuangyang Fan Co.,Ltd. Country or region after: China Address before: No. 16 Kunlun Road, Shangpu Industrial Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SHUANGYANG FAN Co.,Ltd. Country or region before: China |